A lifting device for shield segment three-ring horizontal assembly

Abstract

The application relates to a lifting appliance for shield segment three-ring horizontal assembly, which comprises a lifting seat, a crossbeam, a first lifting arm, a second lifting arm, a first positioning block, a second positioning block and an adjusting and fixing mechanism, the crossbeam is arranged on the lifting seat, the first lifting arm and the second lifting arm are arranged on the crossbeam, two first positioning blocks are arranged on the second lifting arm, the second positioning block is arranged on the second lifting arm between the two first positioning blocks, the adjusting and fixing mechanism is arranged on the crossbeam, and the first lifting arm and the second lifting arm are connected with the adjusting and fixing mechanism. The application has the effect of improving the stability during segment transfer.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of a shield segment hoist, in particular to a hoist for shield segment three-ring horizontal assembly. BACKGROUND

[0002] The shield segment is a main assembly component of shield construction, is the outermost barrier of a tunnel, and bears the functions of resisting earth pressure, underground water pressure and some special loads, so that physical detection of the segment is an important means for segment quality control, three-ring assembly can check the precision of a mold, the degree of distortion and the accuracy of a bent bolt hole, and is an important detection item; in the three-ring horizontal assembly test of the segment, a hoist is needed to hoist and transfer the shield segment.

[0003] At present, the hoist for shield segment three-ring horizontal assembly is a vacuum hoist, which adsorbs the segment by using the vacuum hoist, and then transfers the segment.

[0004] However, when there are many impurities on the segment, the vacuum hoist cannot adsorb the segment well, so that the connection stability of the hoist is poor when the hoist transfers the segment. SUMMARY

[0005] In order to improve the stability of the segment during transfer, the application provides a hoist for shield segment three-ring horizontal assembly.

[0006] The hoist for shield segment three-ring horizontal assembly provided by the application adopts the following technical scheme:

[0007] A hoist for shield segment three-ring horizontal assembly, comprising a hoisting seat, a cross beam, a first hoisting arm, a second hoisting arm, a first positioning block, a second positioning block and an adjusting and fixing mechanism, the cross beam is arranged on the hoisting seat, the first hoisting arm and the second hoisting arm are arranged on the cross beam; the first positioning block is provided with two, both the first positioning blocks are arranged on the second hoisting arm, and the second positioning block is arranged on the second hoisting arm between the two first positioning blocks; the adjusting and fixing mechanism is arranged on the cross beam, and both the first hoisting arm and the second hoisting arm are connected with the adjusting and fixing mechanism.

[0008] By adopting the above technical scheme, the cross beam on the hoisting seat is first transferred above the segment, and then the first hoisting arm and the second hoisting arm are moved, so that the first hoisting arm abuts against the outer arc surface of the segment, and the two first positioning blocks and the second positioning block on the second hoisting arm abut against the inner arc surface of the segment, so that the first hoisting arm, the two first positioning blocks and the second positioning block realize four-point fixation on the segment, thereby improving the stability of the segment during transfer.

[0009] Optionally, the adjusting and fixing mechanism comprises adjusting and fixing blocks, an adjusting motor, adjusting gears and a fixing rack, a first sliding groove is formed in the cross beam, two adjusting and fixing blocks are slidably connected in the first sliding groove, and the first and second hoisting arms are arranged on the two adjusting and fixing blocks respectively; the adjusting motor is arranged on the adjusting and fixing block, the adjusting gear is arranged on the adjusting motor, and the fixing rack is fixed on the cross beam and engaged with the two adjusting gears.

[0010] By adopting the above technical scheme, the adjusting motor is started, the output shaft of the adjusting motor drives the adjusting gear to rotate, because the adjusting gear is engaged with the fixing rack, so that the adjusting and fixing block slides in the first sliding groove when the adjusting gear rotates; the first and second hoisting arms can be made to move synchronously or sequentially according to needs.

[0011] Optionally, a stabilizing mechanism is arranged on the cross beam, and the stabilizing mechanism comprises a connecting block, a stabilizing suction cup and a lifting piece, the connecting block is arranged on the cross beam, and the stabilizing suction cup is arranged on the connecting block through the lifting piece.

[0012] By adopting the above technical scheme, when the adjusting and stabilizing mechanism drives the first and second hoisting arms to move synchronously, the two first and second positioning blocks will simultaneously abut against the inner arc surface of the pipe piece when the first hoisting arm abuts against the outer arc surface of the pipe piece, at this time, the lifting piece is started to drive the stabilizing suction cup to move towards the pipe piece and abut against the pipe piece, and the position of the stabilizing suction cup is fixed each time, so that the first hoisting arm, the stabilizing suction cup, the two first and second positioning blocks are five positions for clamping the pipe piece, thereby improving the stability of the pipe piece during transfer; or under the action of the adjusting and fixing mechanism, the first hoisting arm is first made to abut against the outer arc surface of the pipe piece, then the stabilizing suction cup is connected with the pipe piece, and finally the two first and second positioning blocks are made to abut against the inner arc surface of the pipe piece, which can also form five positions for clamping and fixing the pipe piece.

[0013] Optionally, a second sliding groove is formed in the cross beam, the connecting block is slidably arranged in the second sliding groove, and a synchronizing block connected with the connecting block is arranged on the first hoisting arm.

[0014] By adopting the above technical scheme, when the position of the stabilizing suction cup is located on one side of the pipe piece under the adjustment of the lifting piece, the stabilizing suction cup will not be connected to the pipe piece or the connection state of the stabilizing suction cup and the pipe piece is unstable; therefore, when the first hoisting arm moves, the synchronizing block on the first hoisting arm drives the connecting block to slide in the second sliding groove, and when the first hoisting arm abuts against the outer arc surface of the pipe piece, the stabilizing suction cup on the movable block can better adsorb the pipe piece.

[0015] Optionally, the second lifting arm comprises a moving arm and a clamping arm, the moving arm is slidingly arranged on the cross beam and connected with the adjusting fixing mechanism; the clamping arm is slidingly arranged on the moving arm, and the two first positioning blocks and the second positioning block are arranged on the clamping arm; the connecting block comprises a movable block, a lifting block and a lifting assembly, the movable block is slidingly arranged in the second sliding groove and connected with the synchronous block; the lifting block is connected on the movable block through the lifting assembly, and the stable suction disc is arranged on the lifting block through the lifting piece; the lifting block is provided with a synchronous telescopic block connected with the clamping arm.

[0016] By adopting the above technical scheme, when the stable suction disc is adjusted by the lifting piece and there is a certain distance between the stable suction disc and the pipe piece in the vertical direction, the lifting assembly is started first, so that the lifting assembly drives the lifting block to move on the movable block, and then the stable suction disc is connected with the pipe piece; when the lifting block moves relative to the movable block, the synchronous telescopic rod on the lifting block drives the clamping arm to move relative to the moving arm, so that the first positioning block and the second positioning block on the clamping arm can be aligned with the position of the pipe piece to be contacted, and then the adjusting stable mechanism drives the moving arm to move, so that the clamping arm on the moving arm moves towards the pipe piece, and the first positioning block and the second positioning block on the clamping arm contact the inner arc surface of the pipe piece; therefore, the connecting block and the second lifting arm can better clamp the pipe piece, thereby improving the stability of the pipe piece during transfer.

[0017] Optionally, the second lifting arm is provided with an adjusting mechanism, the adjusting mechanism comprises a first adjusting block, a second adjusting block and an adjusting assembly, a third sliding groove is formed in the second lifting arm, two first adjusting blocks are slidingly connected in the third sliding groove, and the two first positioning blocks are arranged on the two first adjusting blocks respectively; the second adjusting block is slidingly arranged on the second lifting arm between the two first adjusting blocks, and the second positioning block is arranged on the second adjusting block; the adjusting assembly is arranged on the second lifting arm, and the two first adjusting blocks and the second adjusting block are connected with the adjusting assembly.

[0018] By adopting the above technical scheme, the adjusting assembly is started, the two first adjusting blocks are driven to move in opposite directions by the adjusting assembly, so that the first positioning blocks on the two first adjusting blocks can contact the pipe piece; when the two first adjusting blocks are driven to move in opposite directions by the adjusting assembly, the second adjusting block is driven to move away from the second lifting arm by the adjusting assembly, so that the second positioning block on the second adjusting block contacts the pipe piece; the adjusting mechanism can adjust the positions of the first positioning block and the second positioning block.

[0019] Optionally, the adjusting assembly comprises an adjusting shaft, adjusting screws, an adjusting motor, an adjusting gear and an adjusting rack, the adjusting shaft is rotationally arranged in the third sliding groove, the adjusting screws are provided in two, the two adjusting screws are respectively arranged at two ends of the adjusting shaft, the two adjusting screws are opposite in screw direction, and the two adjusting screws are respectively in threaded connection with the two first adjusting blocks; the adjusting motor is arranged on the second hanging arm and connected with one end of the adjusting shaft; the adjusting gear is connected on the adjusting shaft between the two adjusting screws; and the adjusting rack is arranged on the second adjusting block and engaged with the adjusting gear.

[0020] By adopting the above technical scheme, the adjusting motor is started, the output shaft of the adjusting motor drives the adjusting shaft to rotate, the two adjusting screws on the adjusting shaft drive the two first adjusting blocks to move in the third sliding groove, the two first adjusting blocks drive the two first positioning blocks to move in opposite directions or in opposite directions; the adjusting gear on the adjusting shaft drives the adjusting rack to move, the adjusting rack drives the second adjusting block to move, and the second adjusting block drives the second positioning block to move; and when the two first positioning blocks move in opposite directions, the second adjusting block drives the first positioning block to move in the direction of approaching the second hanging arm; when the two first positioning blocks move in opposite directions, the second adjusting block drives the first positioning block to move in the direction of moving away from the second hanging arm.

[0021] Optionally, the cross beam comprises a first connecting beam, a second connecting beam and a moving assembly, the first connecting beam is arranged on the hanging seat; the second connecting beam is slidably arranged on the second connecting beam through the moving assembly; and the first hanging arm, the second hanging arm and the adjusting fixing mechanism are arranged on the second connecting beam.

[0022] By adopting the above technical scheme, when the hanging seat moves the first connecting beam to a certain distance away from the pipe piece, the moving assembly is started, the moving assembly drives the second connecting beam to move, so that the second connecting beam drives the first hanging arm and the second hanging arm to change positions, so that the first hanging arm, the first positioning block and the second positioning block on the first hanging arm can all abut against the pipe piece and realize clamping. Therefore, the cross beam arranged can improve the application range.

[0023] In summary, the present application has the following technical effects:

[0024] 1. The lifting device arranged in the present application can improve the stability of the pipe piece during transfer;

[0025] 2. The stabilizing mechanism arranged can improve the stability of the pipe piece during transfer. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1A structure schematic diagram for three-ring horizontal assembly of a shield segment in the embodiment of the present application;

[0027] Figure 2 A structure schematic diagram for a crossbeam in the embodiment of the present application;

[0028] Figure 3 A structure schematic diagram for a footrest in the embodiment of the present application;

[0029] Figure 4 A structure schematic diagram for an adjusting and fixing mechanism in the embodiment of the present application;

[0030] Figure 5 A structure schematic diagram for an adjusting assembly in the embodiment of the present application.

[0031] Fig. 11 is a hanging seat; Fig. 12 is a first hanging arm; Fig. 13 is a second hanging arm; Fig. 131 is a moving arm; Fig. 132 is a clamping arm; Fig. 14 is a first positioning block; Fig. 15 is a second positioning block; Fig. 2 is a crossbeam; Fig. 21 is a first connecting beam; Fig. 211 is a fourth sliding groove; Fig. 22 is a second connecting beam; Fig. 221 is a first sliding groove; Fig. 23 is a moving assembly; Fig. 231 is a moving motor; Fig. 232 is a moving screw; Fig. 24 is a sliding block; Fig. 3 is an adjusting and fixing mechanism; Fig. 31 is an adjusting and fixing block; Fig. 32 is an adjusting motor; Fig. 33 is an adjusting gear; Fig. 34 is a fixing rack; Fig. 4 is a stabilizing mechanism; Fig. 41 is a stabilizing suction cup; Fig. 42 is a lifting piece; Fig. 5 is a connecting block; Fig. 51 is a movable block; Fig. 52 is a lifting block; Fig. 53 is a lifting assembly; Fig. 531 is a lifting motor; Fig. 532 is a lifting gear; Fig. 533 is a lifting rack; Fig. 6 is a synchronizing block; Fig. 7 is a synchronizing telescopic block; Fig. 71 is a main block; Fig. 72 is a secondary block; Fig. 8 is an adjusting mechanism; Fig. 81 is a first adjusting block; Fig. 82 is a second adjusting block; Fig. 83 is an adjusting assembly; Fig. 831 is an adjusting shaft; Fig. 832 is an adjusting screw; Fig. 833 is an adjusting motor; Fig. 834 is an adjusting gear; Fig. 835 is an adjusting rack; Fig. 91 is a handle; Fig. 92 is a footrest. DETAILED DESCRIPTION

[0032] The following will be described in detail with reference to the accompanying drawings Figures 1-5 The present application will be further described in detail.

[0033] The present application discloses a lifting appliance for three-ring horizontal assembly of a shield segment.

[0034] Reference Figure 1 The present application discloses a lifting appliance for three-ring horizontal assembly of a shield segment, which comprises a crossbeam 2, wherein the crossbeam 2 is provided with a hanging seat 11; the side of the crossbeam 2 away from the hanging seat 11 is provided with a first hanging arm 12 and a second hanging arm 13, the second hanging arm 13 is provided with two first positioning blocks 14, and the second hanging arm 13 between the two first positioning blocks 14 is provided with a second positioning block 15; the crossbeam 2 between the first hanging arm 12 and the second hanging arm 13 is provided with a stabilizing mechanism 4.

[0035] ReferenceFigure 1 And Figure 2 The crossbeam 2 comprises a first connecting beam 21, one side of the first connecting beam 21 is provided with a fourth sliding groove 211 along the length direction of the first connecting beam 21, and a sliding block 24 is slidably connected in the fourth sliding groove 211. The second connecting beam 22 is fixedly connected to the sliding block 24. A moving assembly 23 is arranged on the first connecting beam 21, and the moving assembly 23 comprises a moving screw 232 rotatably connected in the fourth sliding groove 211. The moving screw 232 penetrates through the sliding block 24 and is threadedly connected with the sliding block 24. A moving motor 231 is fixedly connected to the first connecting beam 21, and an output shaft of the moving motor 231 is connected with one end of the moving screw 232. The hanger 11 is fixed to the side of the first connecting beam 21 away from the second connecting beam 22.

[0036] The moving motor 231 is started, the output shaft of the moving motor 231 drives the moving screw 232 to rotate, the moving screw 232 drives the sliding block 24 to slide in the fourth sliding groove 211 of the first connecting beam 21, and the sliding block 24 drives the second connecting beam 22 to move relative to the first connecting beam 21.

[0037] Reference Figure 2 , Figure 3 And Figure 4 The side of the second connecting beam 22 away from the first connecting beam 21 is provided with a first sliding groove 221 along the length direction of the second connecting beam 22.

[0038] The second connecting beam 22 is provided with an adjusting and fixing mechanism 3, and the adjusting and fixing mechanism 3 comprises two adjusting and fixing blocks 31. The two adjusting and fixing blocks 31 are respectively slidably arranged at two ends of the first sliding groove 221, and the first hanger arm 12 is fixedly connected to one of the adjusting and fixing blocks 31, and the second hanger arm 13 is arranged on the other adjusting and fixing block 31. An adjusting motor 32 is fixedly connected to each of the two adjusting and fixing blocks 31, and an adjusting gear 33 is keyed on an output shaft of the adjusting motor 32. A fixed rack 34 is fixedly connected to the side wall of the first sliding groove 221, and the two adjusting gears 33 are in meshing engagement with the fixed rack 34.

[0039] The adjusting motor 32 is started, the output shaft of the adjusting motor 32 drives the adjusting gear 33 to rotate, and because the adjusting gear 33 is in meshing engagement with the fixed rack 34, the adjusting and fixing block 31 will slide in the first sliding groove 221 when the adjusting gear 33 rotates.

[0040] Reference Figure 2 And Figure 4The side wall of the first chute 221 is provided with a second chute, the stabilizing mechanism 4 comprises a connecting block 5, the connecting block 5 comprises a movable block 51 slidably connected in the second chute, and the movable block 51 is slidably connected with a lifting block 52. The movable block 51 is provided with a lifting assembly 53, and the lifting assembly 53 comprises a lifting motor 531 fixedly connected to the movable block 51, and a lifting gear 532 is keyed connected to the output shaft of the lifting motor 531; the moving block is fixedly connected with a lifting rack 533 engaged with the lifting gear 532.

[0041] The lifting block 52 is fixedly connected with a lifting piece 42 at one end away from the movable block 51, the lifting piece 42 is a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixed to the lifting block 52, and the piston rod of the hydraulic cylinder is connected with a stabilizing suction cup 41.

[0042] The adjusting fixed block 31 connected with the first lifting arm 12 is fixedly connected with a synchronous block 6 connected with the movable block 51.

[0043] The lifting motor 531 is started, the output shaft of the lifting motor 531 drives the lifting gear 532 to rotate, the lifting gear 532 drives the lifting rack 533 to move, the lifting rack 533 drives the lifting block 52 to move, and the lifting block 52 drives the hydraulic cylinder to move; the hydraulic cylinder is started, and the piston rod of the hydraulic cylinder drives the stabilizing suction cup 41 to move.

[0044] When the adjusting fixed block 31 with the first lifting arm 12 moves, the synchronous block 6 on the adjusting fixed block 31 pushes the movable block 51 to slide in the second chute, the movable block 51 drives the lifting block 52 to move in the horizontal direction, and the hydraulic cylinder on the lifting block 52 drives the position of the stabilizing suction cup 41 to change.

[0045] Reference Figure 3 The second lifting arm 13 comprises a moving arm 131 fixedly connected to the adjusting fixed block 31, and the moving arm 131 is provided with a first recess, and the first recess is slidably connected with a clamping arm 132.

[0046] The lifting block 52 is connected with a synchronous telescopic block 7 connected with the clamping arm 132, the synchronous telescopic block 7 comprises a main block 71 fixedly connected to the clamping arm 132, the main block 71 is provided with a second recess along the length direction of the main block 71 away from the clamping arm 132, and a secondary block 72 is slidably connected in the second recess, and one end of the secondary block 72 away from the clamping arm 132 is fixedly connected with the lifting block 52.

[0047] When the lifting block 52 moves vertically, the lifting block 52 drives the secondary block 72 and the main block 71 to move vertically, and the main block 71 drives the clamping arm 132 to slide in the first recess of the moving arm 131. When the movable block 51 drives the lifting block 52 to move horizontally, the secondary block 72 on the lifting block 52 slides in the second recess of the main block 71.

[0048] Reference Figure 3 And Figure 5 A third sliding groove is formed on the clamping arm 132, and an adjusting mechanism 8 is arranged on the clamping arm 132. The adjusting mechanism 8 comprises two first adjusting blocks 81, the two first adjusting blocks 81 are respectively slidably arranged at two ends of the third sliding groove, and two first positioning blocks 14 are respectively fixedly connected to the two first adjusting blocks 81. A second adjusting block 82 is slidably connected to the clamping arm 132 between the two first adjusting blocks 81, the two first adjusting blocks 81 are symmetrically arranged about the second adjusting block 82, and the movement direction of the second adjusting block 82 is perpendicular to the movement direction of the two first adjusting blocks 81. A second positioning block 15 is fixedly connected to the second adjusting block 82. An adjusting assembly 83 is arranged on the clamping arm 132, the adjusting assembly 83 comprises an adjusting shaft 831 rotatably connected in the third sliding groove, two adjusting screws 832 are fixedly connected to two ends of the adjusting shaft 831, the screw directions of the two adjusting screws 832 are opposite, the two adjusting screws 832 pass through the two first adjusting blocks 81, and the two adjusting screws 832 are respectively threadedly connected with the two first adjusting blocks 81. An adjusting motor 833 is fixedly connected to the clamping arm 132, an output shaft of the adjusting motor 833 is connected with one end of the adjusting shaft 831. An adjusting gear 834 is keyed connected to the adjusting shaft 831 between the two adjusting screws 832, and an adjusting rack 835 engaged with the adjusting gear 834 is fixedly connected to the second adjusting block 82.

[0049] The adjusting motor 833 is started, the output shaft of the adjusting motor 833 drives the adjusting shaft 831 to rotate, the two adjusting screws 832 on the adjusting shaft 831 drive the two first adjusting blocks 81 to move in opposite directions in the third sliding groove, and the two first adjusting blocks 81 drive the two first positioning blocks 14 to move in opposite directions. The adjusting gear 834 on the adjusting shaft 831 drives the adjusting rack 835 to move, and the adjusting rack 835 drives the second positioning block 15 to move away from the clamping arm 132.

[0050] Reference Figure 1 And Figure 3 The handle 91 and the foot pedal 92 are fixedly connected to the side of the first lifting arm 12 away from the clamping arm 132 and the side of the clamping arm 132 away from the first lifting arm 12. Protective pads are arranged on the side of the first lifting arm 12 close to the clamping arm 132, the side of the clamping arm 132 close to the first lifting arm 12, the first positioning block 14 and the second positioning block 15.

[0051] In other embodiments, the adjusting fixing mechanism 3 can be a bolt, i.e., the first lifting arm 12 and the moving arm 131 are slidably arranged on the second connecting beam 22, and after the position is determined, the first lifting arm 12 and the moving arm 131 are fixed by bolts.

[0052] The implementation principle of the lifting appliance for shield segment three-ring horizontal assembly is as follows: the lifting seat 11 is hoisted to the segment by a travelling crane or an electric hoist, and the segment is located between the first lifting arm 12 and the clamping arm 132, and the distance between the segment and the first lifting arm 12 is less than the distance between the segment and the clamping arm 132.

[0053] Then the adjusting motor 32 connected with the adjusting fixed block 31 is started to drive the adjusting fixed block 31 to drive the first lifting arm 12 to move towards the segment, and the first lifting arm 12 abuts against the outer arc surface of the segment. The synchronous block 6 on the adjusting fixed block 31 drives the movable block 51 to move in the second sliding groove, so that the stable suction cup 41 is located above the segment; then the hydraulic cylinder is started to drive the stable suction cup 41 to adsorb the segment; when the distance between the stable suction cup 41 and the segment is relatively large, the lifting motor 531 is started to drive the lifting block 52 to move in the vertical direction on the movable block 51, and the hydraulic cylinder on the lifting block 52 drives the stable suction cup 41 to move, so that the stable suction cup 41 can adsorb the segment.

[0054] Then the adjusting motor 32 connected with the adjusting fixed block 31 is started to drive the adjusting fixed block 31 to drive the first lifting arm 12 to move towards the segment, and the first lifting arm 12 abuts against the outer arc surface of the segment. The synchronous block 6 on the adjusting fixed block 31 drives the movable block 51 to move in the second sliding groove, so that the stable suction cup 41 is located above the segment; then the hydraulic cylinder is started to drive the stable suction cup 41 to adsorb the segment; when the distance between the stable suction cup 41 and the segment is relatively large, the lifting motor 531 is started to drive the lifting block 52 to move in the vertical direction on the movable block 51, and the hydraulic cylinder on the lifting block 52 drives the stable suction cup 41 to move, so that the stable suction cup 41 can adsorb the segment.

[0055] Thus, the first lifting arm 12, the stable suction cup 41, the two first positioning blocks 14 and the second positioning block 15 can clamp the segment.

[0056] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A lifting device for shield segment three-ring horizontal assembly, characterized in that, The utility model relates to a lifting device for the production and processing of glass, including pendant (11), crossbeam (2), first pendant arm (12), second pendant arm (13), first locating block (14), second locating block (15) and adjustment fixed establishment (3), crossbeam (2) sets up on pendant (11), first pendant arm (12) and second pendant arm (13) all set up on crossbeam (2), Two first locating blocks (14) are provided, and the two first locating blocks (14) are arranged on the second pendant arm (13), and the second locating block (15) is arranged on the second pendant arm (13) between the two first locating blocks (14); The adjustment fixed establishment (3) is arranged on the crossbeam (2), and the first pendant arm (12) and the second pendant arm (13) are connected with the adjustment fixed establishment (3); An adjusting mechanism (8) is arranged on the second pendant arm (13), and the adjusting mechanism (8) comprises a first adjusting block (81), a second adjusting block (82) and an adjusting assembly (83), A third sliding groove is formed in the second pendant arm (13), and two first adjusting blocks (81) are slidably connected in the third sliding groove, and the two first locating blocks (14) are arranged on the two first adjusting blocks (81), respectively; The second adjusting block (82) is slidably arranged on the second pendant arm (13) between the two first adjusting blocks (81), and the second locating block (15) is arranged on the second adjusting block (82); The adjusting assembly (83) is arranged on the second pendant arm (13), and the two first adjusting blocks (81) and the second adjusting block (82) are connected with the adjusting assembly (83).

2. The lifting device for shield segment three-ring horizontal assembly according to claim 1, characterized in that, The adjustment fixed establishment (3) comprises an adjustment fixed block (31), an adjustment motor (32), an adjustment gear (33) and a fixed rack (34), A first sliding groove (221) is formed in the crossbeam (2), and two adjustment fixed blocks (31) are slidably connected in the first sliding groove (221), and the first pendant arm (12) and the second pendant arm (13) are arranged on the two adjustment fixed blocks (31), respectively; The adjustment motor (32) is arranged on the adjustment fixed block (31), and the adjustment gear (33) is arranged on the adjustment motor (32); The fixed rack (34) is fixed on the crossbeam (2), and the two adjustment gears (33) are engaged with the fixed rack (34).

3. The lifting device for shield segment three-ring horizontal assembly according to claim 1, characterized in that, A stabilizing mechanism (4) is arranged on the crossbeam (2), and the stabilizing mechanism (4) comprises a connecting block (5), a stabilizing suction cup (41) and a lifting piece (42), The connecting block (5) is arranged on the crossbeam (2), and the stabilizing suction cup (41) is arranged on the connecting block (5) through the lifting piece (42).

4. The lifting device for shield segment three-ring horizontal assembly according to claim 3, characterized in that, A second sliding groove is formed in the crossbeam (2), and the connecting block (5) is slidably arranged in the second sliding groove, A synchronous block (6) connected with the connecting block (5) is arranged on the first pendant arm (12).

5. The lifting device for shield segment three-ring horizontal assembly according to claim 4, characterized in that, The second cantilever (13) comprises a moving arm (131) and a clamping arm (132), the moving arm (131) is slidingly arranged on the cross beam (2) and connected with the adjusting fixing mechanism (3); the clamping arm (132) is slidingly arranged on the moving arm (131), and the two first positioning blocks (14) and the second positioning block (15) are arranged on the clamping arm (132); The connecting block (5) comprises a movable block (51), a lifting block (52) and a lifting assembly (53), the movable block (51) is slidingly arranged in the second sliding groove and connected with the synchronous block (6); The lifting block (52) is connected to the movable block (51) through the lifting assembly (53), and the stable suction cup (41) is arranged on the lifting block (52) through the lifting piece (42); The lifting block (52) is provided with a synchronous telescopic block (7) connected with the clamping arm (132).

6. The lifting device for shield segment three-ring horizontal assembly according to claim 1, characterized in that, The adjusting assembly (83) comprises an adjusting shaft (831), an adjusting screw (832), an adjusting motor (833), an adjusting gear (834) and an adjusting rack (835), The adjusting shaft (831) is rotatably arranged in the third sliding groove, the adjusting screw (832) is provided with two, the two adjusting screws (832) are respectively arranged at two ends of the adjusting shaft (831), and the screw threads of the two adjusting screws (832) are opposite, and the two adjusting screws (832) are respectively in threaded connection with the two first adjusting blocks (81); The adjusting motor (833) is arranged on the second cantilever (13) and connected with one end of the adjusting shaft (831); The adjusting gear (834) is keyed on the adjusting shaft (831) between the two adjusting screws (832); The adjusting rack (835) is arranged on the second adjusting block (82) and engaged with the adjusting gear (834).

7. The lifting device for shield segment three-ring horizontal assembly according to claim 1, characterized in that, The cross beam (2) comprises a first connecting beam (21), a second connecting beam (22) and a moving assembly (23), the first connecting beam (21) is arranged on the hanging seat (11); The second connecting beam (22) is slidingly arranged on the second connecting beam (22) through the moving assembly (23); And the first cantilever (12), the second cantilever (13) and the adjusting fixing mechanism (3) are arranged on the second connecting beam (22).

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